Once per turn: You can target 1 'Gagaga' monster in your Graveyard, except 'Gagaga Mancer'; Special Summon it. If you activated this effect, you cannot Special Summon monsters for the rest of this turn, except 'Gagaga' monsters. If this card is an Xyz Material is detached and sent to the Graveyard to activate an Xyz Monster's effect: You can target 1 Xyz Monster you control; it gains 500 ATK until the end of this turn.